diff --git a/src/tsdemux.c b/src/tsdemux.c
index 0812f192..adc27eb0 100644
--- a/src/tsdemux.c
+++ b/src/tsdemux.c
@@ -213,7 +213,7 @@ ts_recv_packet1(th_transport_t *t, uint8_t *tsb)
       (t->tht_scrambled_seen && st->st_type != SCT_CA &&
        st->st_type != SCT_PAT && st->st_type != SCT_PMT)) {
 
-    t->tht_scrambled_seen = 1;
+    t->tht_scrambled_seen = tht_scrambled;
 
     /* scrambled stream */
     n = m = 0;